CN211501470U

CN211501470U - Damping device for lifting equipment under urban rail vehicle

Info

Publication number: CN211501470U
Application number: CN202020171254.0U
Authority: CN
Inventors: 方松
Original assignee: Nanjing Institute of Railway Technology
Current assignee: Nanjing Institute of Railway Technology
Priority date: 2020-02-15
Filing date: 2020-02-15
Publication date: 2020-09-15
Anticipated expiration: 2030-02-15

Abstract

The utility model provides a damping device for urban rail vehicle under-car hoisting equipment, which comprises a hanger body and a hanger frame body, wherein the top of the hanger body is fixedly connected with a fixed block, a cavity is arranged in the fixed block, vertical guide posts are symmetrically arranged in the cavity, horizontal mounting plates are slidably connected on two guide rods, a plurality of vertical upper inserting plates are arranged at equal intervals at the positions between the two guide rods at the bottom of the mounting plates, a plurality of vertical lower inserting plates are arranged at equal intervals at the bottom in the cavity, a plurality of upper inserting plates and a plurality of lower inserting plates are alternately inserted, the lower end of each upper inserting plate is connected with the bottom in the cavity, the upper end of each lower inserting plate is connected with the bottom of the mounting plates through first springs, and connecting blocks are fixedly connected at the top of the mounting plates, the upper end of the connecting block penetrates through the top of the cavity and is fixedly connected with the bottom of the hanging frame body.

Description

Damping device for lifting equipment under urban rail vehicle

Technical Field

The utility model relates to vehicle equipment technical field especially involves a damping device for lifting device under city rail vehicle car.

Background

In the driving process of the vehicle, large vibration can be generated, the vibration is usually transmitted to the equipment hanging frame through the vehicle body hanging frame, the vehicle body is easy to vibrate, the comfort of people is influenced, a great deal of trouble is brought to people, the common damping device cannot achieve an effective damping effect, the structure is complex, the vehicle is difficult to keep certain stability, and the using effect of the damping device is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art, provide a damping device for lifting device under urban rail vehicle car.

The utility model discloses a realize through following technical scheme:

Preferably, the two guide rods are respectively sleeved with a second spring, one end of each second spring is pressed against the bottom of the mounting plate, and the other end of each second spring is pressed against the bottom in the cavity.

Preferably, each upper plug board is respectively connected with two adjacent lower plug boards in a sliding manner.

Preferably, the two sides of the lower end of each upper insertion plate are respectively embedded with a rolling ball, the rolling balls are connected in rolling grooves formed in the adjacent lower insertion plates in a rolling mode, and the rolling grooves are vertically arranged.

Preferably, the top of the cavity is provided with a through hole for the connection block to penetrate through.

Preferably, the fixed block bilateral symmetry is provided with the telescopic link, and every telescopic link is kept away from the one end fixedly connected with stopper of fixed block, just the cover is equipped with the third spring on every telescopic link, and it has two hinge bars to articulate on every stopper, the free end of one of them hinge bar with the gallows body is articulated, the free end of another one hinge bar with it is articulated to hang the frame body.

In above-mentioned embodiment, through the setting of first spring, second spring and third spring, can realize carrying out effectual shock attenuation to the vehicle, increased people's travelling comfort, through the setting of telescopic link, articulated rod, connecting block and the cooperation of going up plugboard and plugboard down, at the in-process of traveling, can keep certain stability, brought a great deal of facility for the normal driving of vehicle.

Drawings

FIG. 1 is a schematic structural view of a shock-absorbing device for an under-vehicle lifting device of an urban rail vehicle provided by the embodiment of the utility model;

fig. 2 is a cross-sectional view of a fixing block provided in an embodiment of the present invention;

fig. 3 is a schematic connection diagram of an upper patch board and a lower patch board according to an embodiment of the present invention.

In the figure: 1-a hanger body; 2-hanging the frame body; 3, fixing blocks; 4-a cavity; 5-a guide post; 6, mounting a plate; 7-upper inserting plate; 8-lower plugboard; 9-a first spring; 10-connecting blocks; 11-a second spring; 12-a ball bearing; 13-rolling grooves; 14-perforating; 15-a telescopic rod; 16-a limiting block; 17-a third spring; 18-hinged lever.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

For convenient understanding the utility model provides a damping device for lifting device under urban rail vehicle car, it is right below to combine figure and specific embodiment the utility model discloses carry out the detailed description.

Please refer to fig. 1 and 2, fig. 1 is a schematic structural diagram of a shock absorbing device for an urban rail vehicle lower lifting device provided by an embodiment of the present invention, and fig. 2 is a cross-sectional view of a fixing block provided by an embodiment of the present invention.

As shown in fig. 1 and 2, the damping device for the urban rail vehicle lower hoisting equipment comprises a hanger body 1 and a hanger frame body 2, wherein a fixed block 3 is fixedly connected to the top of the hanger body 1, a cavity 4 is formed inside the fixed block 3, vertical guide posts 5 are symmetrically arranged in the cavity 4, a horizontal mounting plate 6 is slidably connected to the two guide rods 5, specifically, the upper end of each guide post 5 is fixedly connected to the top of the cavity 4, the lower end of each guide post 5 is fixedly connected to the bottom of the cavity 4, and a through hole for the guide posts 5 to slide through is formed in the mounting plate 6 corresponding to each guide post 5.

In addition, a plurality of vertical upper plug boards 7 are arranged at equal intervals at the bottom of the mounting plate 6 between the two guide rods 5, and the upper end of each upper plug board 7 is fixedly connected with the bottom of the mounting plate 6. A plurality of vertical lower inserting plates 8 are arranged at equal intervals at the bottom in the cavity 4, the lower inserting plates 8 are also positioned between the two guide rods 5, and the lower end of each lower inserting plate 8 is fixedly connected with the bottom in the cavity 4.

When the device is further specifically arranged, the upper plug boards 7 and the lower plug boards 8 are mutually staggered and plugged, and the lower end of each upper plug board 7 is connected with the bottom in the cavity 4 and the upper end of each lower plug board 8 is connected with the bottom of the mounting board 6 through the first springs 9. The number of the first springs 9 at the lower end of the upper plugboard 7 is multiple, the upper end of each first spring 9 at the lower end of the upper plugboard 7 is fixedly connected with the lower end of the upper plugboard 7, and the lower end of each first spring 9 at the lower end of the upper plugboard 7 is fixedly connected with the bottom in the cavity 4. The number of the first springs 9 at the upper end of the lower insertion plate 8 is multiple, the upper end of each first spring 9 at the upper end of the lower insertion plate 8 is fixedly connected with the bottom of the mounting plate 6, and the lower end of each first spring 9 at the upper end of the lower insertion plate 8 is fixedly connected with the upper end of the lower insertion plate 8.

And, each upper socket plate 7 is slidably connected with two adjacent lower socket plates 8, respectively. Please refer to fig. 3, fig. 3 is a schematic connection diagram of an upper insertion plate and a lower insertion plate according to an embodiment of the present invention, wherein rolling balls 12 are respectively embedded on two sides of a lower end of each upper insertion plate 7, specifically, a plurality of hemispherical caulking grooves are respectively disposed on two sides of a lower end of each upper insertion plate 7, and the balls 12 are rollably embedded in the caulking grooves. In addition, each lower insertion plate 8 adjacent to each upper insertion plate 7 is provided with a rolling groove 13, the rolling grooves 13 are vertically arranged and are arranged along the height direction of the upper insertion plate 7, the cross sections of the rolling grooves 13 are semi-arc-shaped and are matched with the parts of the balls 12 exposed out of the embedding grooves, and the balls 12 are connected in the rolling grooves 13 arranged on the adjacent lower insertion plates 8 in a rolling mode.

With continued reference to fig. 1 and 2, a connecting block 10 is fixedly connected to the top of the mounting plate 6, and the upper end of the connecting block 10 penetrates through the top of the cavity 4 and is fixedly connected to the bottom of the hanging frame body 2. The top of the cavity 4 is provided with a through hole 14 for the connection block 10 to pass through. In addition, the two guide rods 5 are respectively sleeved with a second spring 11, one end of the second spring 11 is pressed against the bottom of the mounting plate 6, and the other end of the second spring 11 is pressed against the bottom in the cavity 4.

In addition, be provided with telescopic link 15 in 3 bilateral symmetry of fixed block, the flexible setting of telescopic link 15 level, and every telescopic link 15 keeps away from the one end fixedly connected with stopper 16 of fixed block 3, and the cover is equipped with third spring 17 on every telescopic link 15, and stopper 16 is used for spacing third spring 17, and third spring 17 one end is supported and is pressed on stopper 16, and the third spring 17 other end supports and presses on fixed block 3.

Furthermore, each limit block 16 is hinged with two hinge rods 18, wherein the free end of one hinge rod 18 is hinged with the hanger body 1, and the free end of the other hinge rod 18 is hinged with the hanging frame body 2. Specifically, the two hinge rods 18, the hinge rod 18 and the hanger body 1, and the hinge rod 18 and the hanger body 2 are hinged through hinges.

In the above embodiment, through the arrangement of the first spring 9, the second spring 11 and the third spring 17, the vehicle can be effectively damped, the comfort of people is increased, and through the arrangement of the telescopic rod 15, the hinge rod 18 and the connecting block 10 and the matching of the upper plug board 7 and the lower plug board 8, certain stability can be kept in the driving process, so that a great deal of convenience is brought to the normal driving of the vehicle.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a damping device for lifting device under urban rail vehicle car, includes: the hanging bracket comprises a hanging bracket body and a hanging frame body and is characterized in that the top of the hanging bracket body is fixedly connected with a fixed block, a cavity is arranged in the fixed block, vertical guide posts are symmetrically arranged in the cavity, horizontal mounting plates are connected on the two guide rods in a sliding manner, a plurality of vertical upper inserting plates are arranged at equal intervals at the bottom of the mounting plate between the two guide rods, a plurality of vertical lower plugboards are arranged at the bottom in the cavity at equal intervals, the upper plugboards and the lower plugboards are spliced in a staggered way, and the lower end of each upper plug board is connected with the bottom in the cavity and the upper end of each lower plug board is connected with the bottom of the mounting plate through first springs, the top fixedly connected with connecting block of mounting panel, the connecting block upper end run through the cavity top and with hang frame body bottom fixed connection.

2. The damping device for the urban rail vehicle under-vehicle hoisting equipment according to claim 1, wherein the two guide rods are respectively sleeved with a second spring, one end of the second spring is pressed against the bottom of the mounting plate, and the other end of the second spring is pressed against the bottom in the cavity.

3. The urban rail vehicle under-car lifting device shock-absorbing device according to claim 1, wherein each upper plug board is slidably connected to two adjacent lower plug boards.

4. The damping device for the urban rail vehicle under-vehicle hoisting equipment according to claim 3, wherein rolling balls are embedded on both sides of the lower end of each upper insertion plate respectively, the balls are connected in rolling grooves formed in adjacent lower insertion plates in a rolling manner, and the rolling grooves are arranged vertically.

5. The shock absorption device for the urban rail vehicle under-vehicle hoisting equipment according to claim 1, wherein a through hole for the connection block to penetrate through is formed in the top of the cavity.

6. The damping device for the urban rail vehicle under-vehicle hoisting equipment according to claim 1, wherein telescopic rods are symmetrically arranged on two sides of the fixed block, a limiting block is fixedly connected to one end of each telescopic rod, which is far away from the fixed block, a third spring is sleeved on each telescopic rod, two hinge rods are hinged to each limiting block, the free end of one hinge rod is hinged to the hanger body, and the free end of the other hinge rod is hinged to the hanger body.